Finding the Fourth Proportional to 76,104.01, 105,028.80 and 42,113.93

Step by Step Solution

1. Step 1: Write the proportion equation
   76,104.01 : 105,028.80 = 42,113.93 : x
2. Step 2: Convert to fraction form
   76,104.01/105,028.80 = 42,113.93/x
3. Step 3: Cross multiply
   76,104.01x = 105,028.80 × 42,113.93
4. Step 4: Simplify right side
   76,104.01x = 4,423,175,483.14
5. Step 5: Solve for x
   x = 4,423,175,483.14/76,104.01
6. Step 6: Final answer
   x = 58,120.14